Meet our Deal Professionals


Geoff Meyerson
Brian Popiel

Chief Operating Officer

Brian joined Locust Walk in 2020 as the Chief Operating Officer, where he is responsible for the ongoing business operations of the company.  He brings over 25 years of experience from a diverse career path that has allowed him to garner valuable skills in operations, finance, management, compliance, and law across a number of industries.   

Prior to joining Locust Walk, Brian was the CFO and COO of Cosimo Venture Partners, a deep tech-focused venture fund, where he oversaw finance and operations for the venture group and its portfolio companies.  Previously, Brian served as the CFO, Chief Compliance Officer and General Counsel of ObserveIT Inc., a leading cybersecurity company focused on Insider Threat Management.

After starting his professional career as a corporate lawyer at Holland & Knight, Brian then spent several years in key roles at SOFTBANK Capital Partners/SOFTBANK International Ventures as well as investment management firms, Independence Investments and Amundi Pioneer, where his work consisted of researching, assessing and investing in a wide range of businesses – both public and private. 

Brian holds an A.B., cum laude, from Harvard University and a J.D. from Boston College Law School.